back door
借助非正規途徑或手段取得成功或獲得利益
口語·指通過非正規途徑達成目的
英文釋義
An unofficial or indirect means of achieving something, often through manipulation or deception.
例句
He got the job through the back door by befriending the manager's son.
典故來源
原指房屋后門,引申為避開正規渠道的隱秘或非正當途徑。